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I am trying to add Tabs to a tab control in WPF but nothing appears on the control at runtime. I have tried following the examples I keep seeing. Right now this is what I have but it isn't working

_myConnection.Open();
SqlDataReader myReader = myCommand.ExecuteReader();
while (myReader.Read())
    MessageBox.Show(myReader["SectionName"].ToString());
    TabItem newTabItem = new TabItem
        Header = myReader["SectionName"].ToString(),
        Name = myReader["SectionID"].ToString()
    TabMain.Items.Add(newTabItem);
_myConnection.Close();
TabMain.SelectedIndex = 0;
You can add tabs dynamically by using the following code.
Add the following code to declare tab control instance globally.
TabControl tbControl;
Now, add the following code to the loaded event of the tab control.
private void tbCtrl_Loaded(object sender, RoutedEventArgs e)
            tbControl = (sender as TabControl);
I have used a button to add new tabs for the existing tab control.
private void btnAdd_Click(object sender, RoutedEventArgs e)
            TabItem newTabItem = new TabItem
                Header = "Test",
                Name = "Test"
            tbControl.Items.Add(newTabItem);
Following is my tab control xaml view.
<TabControl  x:Name="tbCtrl" HorizontalAlignment="Left" Height="270" Margin="54,36,0,0" VerticalAlignment="Top" Width="524" Loaded="tbCtrl_Loaded">
            <TabItem Header="Tab - 01">
                <Grid Background="#FFE5E5E5">
                    <Button x:Name="btnAdd" Content="Add New Tab" HorizontalAlignment="Left" Margin="68,95,0,0" VerticalAlignment="Top" Width="109" Height="29" Click="btnAdd_Click"/>
                </Grid>
            </TabItem>
        </TabControl>
Finally, using this you can add any amount of tabs dynamically to the existing tab control. 
Hope this fulfill your need.
Perhaps something in your DB values? I just wrote the most trivial of for loops to test, and this works fine (using just a TabControl and OnLoaded event on the XAML):
    private void Window_Loaded(object sender, RoutedEventArgs e)
        for (int i = 1; i <= 3; i++)
            var item = new TabItem {Header = i.ToString(), Name = $"tab{i}"};
            TabMain.Items.Add(item);
                I must have something further messed up because that doesn't work for me either.  I am new to WPF.  I have been using winforms for a long time.  Right now I have just a simple tag for the tabcontrol                  <TabControl x:Name="TabMain" Margin="0,204,0,-444">                  </TabControl>
– Jeebwise
                Oct 26, 2015 at 15:16
                If you're using my method as-is, be sure to add this event handler definition in XAML: <Window ...Loaded="Window_Loaded">
– Todd Sprang
                Oct 26, 2015 at 15:24
        
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